debug: 增加了讯飞语音识别接口的timeout机制，防止语音识别未完成时连接断开

utils/xf_asr_utils.py

@@ -1,3 +1,4 @@
+import websockets
 import datetime
 import hashlib
 import base64
@@ -61,4 +62,8 @@ def parse_xfasr_recv(message):
         for i in data:
             for w in i['cw']:
                 result += w['w']
-        return result
+        return result
+    
+async def xf_asr_websocket_factory():
+    url = generate_xf_asr_url()
+    return await websockets.connect(url)